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InternetData
IPv4 address

91.143.86.25

An address in Bad Klosterlausnitz, Thuringia, Germany, used by KOS-Online, announced by ISPpro Internet KG (AS35366). It's hosting space of EUserv (ISPpro).

Summary

Geolocation
Bad Klosterlausnitz, Thuringia
Ownership
91.143.80.0/21
91-143-86-25.blue.kundencontroller.de
Used by KOS-Online
  • HostingEUserv (ISPpro)

No mobile carrier, anycast or CDN

No SSH, mail, DNS, web or BitTorrent

Geolocation

Where the address is, and what that place uses.

City
Bad Klosterlausnitz
Region
Thuringia
Postal code
07639
Country
Germany
Continent
Europe
Coordinates
50.9167, 11.8667
Timezone
Europe/Berlin

Ownership

Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.

Company
KOS-Online
Type
ISP
Registered in
Germany
AS number
AS35366
Name
ISPpro Internet KG
Prefix
91.143.80.0/21
RPKI
Valid
Type
Hosting
Domain
isppro.de
Registered in
Germany
Name
KOS-Online
Network name
KOSONLINE-SRV-NET3
Status
ASSIGNED PA
Registry
RIPE NCC
Domain
kundencontroller.de
Name
HOSTMASTER KDCTRL ABUSE
Address
ISPpro Internet KG Abuse Department
Network
91.143.80.0-91.143.95.255
Hostname
91-143-86-25.blue.kundencontroller.de
Not seen inIP RWHOIS

Anonymity

Whether the address hides someone else: a VPN, Tor, a relay, a proxy pool, or a hosting range.

Provider
EUserv (ISPpro)
Confidence
High
Last seen
2026-11-03

Network

What kind of network it is on: a mobile carrier, a satellite operator, an anycast service, a CDN edge.

Services

What our own internet-wide measurement found listening on it.

00 · Evaluate

Test the real build first.

An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.

01 · License

Then license what you use.

Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell, priced by scope rather than by seat.
Annual terms, a named contact, and monthly, quarterly or yearly payment.